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Smithsonian National Museum of Natural History
GeoGallery
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GeoGallery
Beryl (var. aquamarine)
Beryl (var. green beryl)
Cafarsite
Ensisheim
Fluorite with calcite
Fluorite with quartz
Fluorites
Juvinas
Kyanite schist
Magnetite
Milarite with chlorite
Orgueil meteorite
Orthoclase (var. adularia)
Pyrite
Pyromorphite
Quartz (var. smoky quartz)
Quartz Gems
Quartz on siderite
Siderite
Sphalerite
Staurolite
Unusual Gems
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